MAX5943AEEE+T Maxim Integrated Products, MAX5943AEEE+T Datasheet - Page 3

• Manufacturer Part Number: MAX5943AEEE+T
• Description: IC FIREWIRE CURR LIMITER 16-QSOP
• Manufacturer: Maxim Integrated Products

Specifications of MAX5943AEEE+T

• Applications: FireWire® Apps
• Fet Type: N-Channel
• Number Of Outputs: 2
• Internal Switch(s): No
• Delay Time - Off: 100ns
• Voltage - Supply: 7.5 V ~ 37 V
• Current - Supply: 1.3mA
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 16-QSOP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Delay Time - On: -
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

ELECTRICAL CHARACTERISTICS (continued)
(V
(Note 1)
GATE2 Pulldown Current During
Any GATE2 Turn-Off Condition
GATE1 (ORing control)
ORing Switch Turn-On Current
Threshold Voltage
ORing Switch Turn-On Current
Threshold Voltage Hysteresis
GATE1 Pullup Current
GATE1 High Voltage
GATE1 Turn-Off Switch On-
Resistance
LOGIC INPUTS
ILIM, OR_ADJ Input-Logic
Tristate Current Tolerance
(Note 6)
LATCH, ONQ1 Input-Logic Low
Voltage
LATCH, ONQ1 Input-Logic High
Voltage
LATCH, ONQ1 Input Current
TIM, ILIM, LATCH, OR_ADJ,
OUT, ONQ1 Shutdown Mode
Input Current
FAULT Output Low Voltage
FAULT Output High Leakage
Current
TIMING
Current-Limit Timeout
(MAX5943A)
IN
= 7.5V to 37V, GND = 0V, and T
PARAMETER
_______________________________________________________________________________________
FireWire Current Limiter and Low-Drop
SYMBOL
I
A
I
G2OFF
IH_SD
I
t
V
R
V
V
I
I
G1U
V
ILIM
V
I
I
I
= -40°C to +85°C, unless otherwise noted. Typical values are at V
IXL
I
OH
OR
G1
IX
IH
IH
OL
G1
IL
IH
IL
V
(V
(V
(Note 5)
V
Measured between GATE1 and SENSE
when (V
Current into or out of input for tri-state logic
condition
Current out of input for logic low
Current into input for logic high
V
LATCH, ONQ1 = GND, V
V
All voltages = V
All voltages = V
Low-impedance state, I
High-impedance state, V
Current-limit mode
(Note 7)
GATE2
GATE1
ON
ON
IN
IN
- V
- V
> V
> V
SENSE
SENSE
IN
= V
- V
ON_REF
ON_REF
- V
SENSE
OUT
SENSE
) rising
) falling
CONDITIONS
IN
IN
+ 4.5V (Note 4)
ORing Switch Controller
, V
, V
) < V
ON
ON
7.5V ≤ V
8V ≤ V
> V
≤ 0.4V
FAULT
OR
OR_ADJ = GND
OR_ADJ = floating
OR_ADJ = IN
TIM = IN
R
R
TIM = floating
ON
FAULT
TIM
TIM
ON_REF
> V
IN
= 4kΩ
= 50kΩ
= 5mA
IN
= 37V
≤ 37V
ON_REF
≤ 8V
MIN
4.25
1.78
0.87
120
5.5
8.5
4.5
1.8
9.2
80
36
-3
3
11.05
TYP
10.5
0.12
2.02
1.04
125
175
7.5
0.5
5.5
5.5
45
5
2
IN
= 12V, T
MAX
12.8
0.25
2.26
1.21
12.9
200
225
9.5
6.5
6.5
0.7
+3
54
20
20
7
3
1
1
1
1
A
= +25°C.)
UNITS
mA
mV
mV
ms
ms
ms
ms
µA
µA
µA
µA
µA
µA
Ω
V
V
V
V
3